1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index ea097dddc44f..06fe93a3e916 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -8,6 +8,8 @@
 #ifndef __LINUX_LOCKDEP_H
 #define __LINUX_LOCKDEP_H
 
+struct task_struct;
+
 #ifdef CONFIG_LOCKDEP
 
 #include <linux/linkage.h>
@@ -132,6 +134,7 @@ struct lock_list {
         struct list_head                entry;
         struct lock_class               *class;
         struct stack_trace              trace;
+        int                             distance;
 };
 
 /*